Question about Pontiac Grand Prix
You've got a good start measuring the voltage at the battery. Looks like you've got a low voltage problem. Common on the GM side post batteries is battery acid leaking at the positive battery cable post on the battery. I would recommend removing and checking the cables/posts on the battery. If everything is clean, reassemble the battery cables to the battery. If there is excessive wetness or corrosion on EITHER of the cables/posts, you should replace the battery first, and clean the cables. A leaking battery is going to give you more trouble down the road if you just clean it. If the battery connections on the existing battery are clean, charge the battery with a battery charger, or jump start the car. Use your trusty meter and measure voltage at the battery with the engine running. (Also do this if you replace the battery for leaks). You should read in the neighborhood of 13.5 - 14.0 volts if your charging system is working correctly. If you are reading in the low 12 volt range with the engine running, something is wrong with your charging system, and most likely putting a strain on the battery, preventing it from receiving the charge it needs. If your existing battery is not leaking, cables are clean and tight, jump starts okay, reads 13.5-14ish volts with the engine running, but refuses to crank the engine over after the engine runs for about 15-20 minutes, it's time for a new battery.
Posted on Oct 19, 2013
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Posted on Jan 02, 2017
Problem number one sounds like a dead battery to me. Problem with driver door is the cable in your window regulator is broken and bound up. Will need to replace the regulator. Passenger side window problem could be caused by a number of things... most common that come to mind are window guide not in correct position or one of the bolts that hold the window to the regulator has come loose.
Posted on Jun 24, 2009
HI, I'm reading your problem,
Let me explain something about your car.
2005 Ford Taurus, The key on that car has Chip inside of the key and receiver on the ignition switch,
Check if the key you are trying to use is Black and has a plastic head.
If not you need a key with that characteristics.
But if you have the right key, Remenber if you had drop on the floor, or hit with something,
Because some times they come damaged, with insignificat thins.
Remenber if you left the key close to a magnets like speakers.
If nothing aply at your case, you need to call a place Aloha Smith, they have the computer to program or reprogarm your key. IF not you can't start your car.
OK.. I hope this information work for you.
Thank's for submit yous question on fixya.com
Posted on Jul 10, 2008
the battery says 12 volts but may be dropping to 4 or 5 under a load...i would suggest jumpstarting the car and see what happens.the battery should read in the high 12 volts and not less than 9.5 under cranking. the dash lights go out on your car when starting,and the alarm will go off ,and disable the ignition if the voltage is too low in cranking the car because the computer will shut it down and activate the anti theft.....check your battery posts are tight. best of luck
Posted on Jul 22, 2009
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